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Methods and compounds for treating paramyxoviridae virus infections

a technology of paramyxoviridae virus and compound, which is applied in the direction of drug composition, antibody medical ingredients, dispersed delivery, etc., can solve the problems of inability to prevent hpiv infection, inability to prevent hsv infection, and inability to provide a vaccine. , to achieve the effect of preventing hsv infection, preventing hsv infection, and preventing hsv infection

Inactive Publication Date: 2012-02-02
GILEAD SCI INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes methods and compounds for treating infections caused by the Paramyxoviridae virus family. The compounds described in the patent are designed to target specific proteins and structures of the virus, which can help to reduce the spread and severity of infections. The technical effect of the patent is to provide an effective treatment for this group of viruses, which can cause serious infections in humans and animals.

Problems solved by technology

Currently, no vaccines are available to prevent HPIV infections.
No vaccine to prevent HRSV infection is currently available.
The monoclonal antibody palivizumab is available for infants at high risk, e.g., premature infants or those with either cardiac or lung disease, but the cost for general use is often prohibitive.
Ribavirin has also been used to treat HRSV infections but has limited efficacy.
However, no methods of treating Paramyxoviridae infections with these compounds have been disclosed.

Method used

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  • Methods and compounds for treating paramyxoviridae virus infections
  • Methods and compounds for treating paramyxoviridae virus infections
  • Methods and compounds for treating paramyxoviridae virus infections

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[0326]Certain abbreviations and acronyms are used in describing the experimental details. Although most of these would be understood by one skilled in the art, Table 1 contains a list of many of these abbreviations and acronyms.

TABLE 1List of abbreviations and acronyms.AbbreviationMeaningAc2Oacetic anhydrideAIBN2,2′-azobis(2-methylpropionitrile)BnbenzylBnBrbenzylbromideBSAbis(trimethylsilyl)acetamideBzClbenzoyl chlorideCDIcarbonyl diimidazoleDABCO1,4-diazabicyclo[2.2.2]octaneDBN1,5-diazabicyclo[4.3.0]non-5-eneDDQ2,3-dichloro-5,6-dicyano-1,4-benzoquinoneDBU1,5-diazabicyclo[5.4.0]undec-5-eneDCAdichloroacetamideDCCdicyclohexylcarbodiimideDCMdichloromethaneDMAP4-dimethylaminopyridineDME1,2-dimethoxyethaneDMTCldimethoxytrityl chlorideDMSOdimethylsulfoxideDMTr4,4′-dimethoxytritylDMFdimethylformamideEtOAcethyl acetateESIelectrospray ionizationHMDShexamethyldisilazaneHPLCHigh pressure liquid chromatographyLDAlithium diisopropylamideLRMSlow resolution mass spectrumMCPBAmeta-chloroperbenzoic ...

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Abstract

Provided are methods for treating Paramyxoviridae virus infections by administering ribosides, riboside phosphates and prodrugs thereof, of Formula I:wherein the 1′ position of the nucleoside sugar is substituted. The compounds, compositions, and methods provided are particularly useful for the treatment of Human parainfluenza and Human respiratory syncytial virus infections.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application 61 / 366,609 filed on Jul. 22, 2010.FIELD OF THE INVENTION[0002]The invention relates generally to methods and compounds for treating Paramyxoviridae virus infections, particularly methods and nucleosides for treating respiratory syncytial virus infections and parainfluenza virus infections.BACKGROUND OF THE INVENTION[0003]Paramyxoviruses of the Paramyxoviridae family are negative-sense, single-stranded, RNA viruses that are responsible for many prevalent human and animal diseases. These viruses comprise at least two major subfamilies, Paramyxovirinae and Pneumovirinae. The subfamily Paramyxovirina includes the human parainfluenza viruses (HPIV), measles virus and mumps virus. Although, vaccines are available to prevent measles and mumps infections, these infections caused 745, 00 deaths in 2001 so additional treatments would be desirable for susceptible populations. HPIV a...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61K31/706C07H19/04A61P31/12A61K39/395
CPCC07H19/04C07D487/04A61K31/53A61K31/675C07F9/6561A61K31/706C07H7/06A61P31/12A61P31/14A61P31/16A61P43/00Y02A50/30A61K9/0078A61K45/06
Inventor MACKMAN, RICHARD L.PARRISH, JAY P.RAY, ADRIAN S.THEODORE, DOROTHY AGNES
Owner GILEAD SCI INC
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